package com.zhinong.mapper;


import com.zhinong.entity.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

@Mapper
public interface UserMapper {

    @Select("select  * from user where openid = #{openid}")
    User getByOpenid(String openid);

    //插入数据
    void insert(User user);
}
